/*
 * @des 后台的js文件
 * 
 * 
 */
 function selectAll()
 {
   var obj = document.getElementsByName("checkAll[]");
   if(document.getElementById("selAll").checked == false)
   {
   for(var i=0; i<obj.length; i++)
   {
     obj[i].checked=false;
   }
   }else
   {
   for(var i=0; i<obj.length; i++)
   {  
     obj[i].checked=true;
   }
   }
  
 }

 //当选中所有的时候，全选按钮会勾上
 function setSelectAll()
 {
 	var obj=document.getElementsByName("checkAll[]");
 	var count = obj.length;
 	var selectCount = 0;
 	
 	for(var i = 0; i < count; i++)
 	{
 		if(obj[i].checked == true)
 		{
 			selectCount++;
 		}
 	}
 	if(count == selectCount)
 	{
 		document.all.selAll.checked = true;
 	}
 	else
 	{
 		document.all.selAll.checked = false;
 	}
 }

 //反选按钮
 function inverse() {
 	var checkboxs=document.getElementsByName("checkAll[]");
 	for (var i=0;i<checkboxs.length;i++) {
 	  var e=checkboxs[i];
 	  e.checked=!e.checked;
 	  setSelectAll();
 	}
 }
 //通过js获取参数
 function getQueryStringValue(name) { 
 	var str_url, str_pos, str_para;
 	var arr_param = new Array();
 	str_url = window.location.href;
 	str_pos = str_url.indexOf("?");
 	
 	str_para = str_url.substring(str_pos + 1);
 	if (str_pos > 0) {
 		//if contain # ----------------------begin
 		str_para = str_para.split("#")[0];
 		//-----------------------------------end
 		arr_param = str_para.split("&");
 		for (var i = 0; i < arr_param.length; i++) {
 		var temp_str = new Array()
 		temp_str = arr_param[i].split("=")
 		if (temp_str[0].toLowerCase() == name.toLowerCase()) {
 		return temp_str[1];
 		}
 		}
 	}
 	return "";
 } 
 
 function utf16to8(str) {
	    var out, i, len, c;

	    out = "";
	    len = str.length;
	    for(i = 0; i < len; i++) {
	        c = str.charCodeAt(i);
	        if ((c >= 0x0001) && (c <= 0x007F)) {
	            out += str.charAt(i);
	        } else if (c > 0x07FF) {
	            out += String.fromCharCode(0xE0 | ((c >> 12) & 0x0F));
	            out += String.fromCharCode(0x80 | ((c >>  6) & 0x3F));
	            out += String.fromCharCode(0x80 | ((c >>  0) & 0x3F));
	        } else {
	            out += String.fromCharCode(0xC0 | ((c >>  6) & 0x1F));
	            out += String.fromCharCode(0x80 | ((c >>  0) & 0x3F));
	        }
	    }
	    return out;
	}
 
 function utf8to16(str) {
	    var out, i, len, c;
	    var char2, char3;

	    out = "";
	    len = str.length;
	    i = 0;
	    while(i < len) {
	        c = str.charCodeAt(i++);
	        switch(c >> 4)
	        {
	          case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7:
	            // 0xxxxxxx
	            out += str.charAt(i-1);
	            break;
	          case 12: case 13:
	            // 110x xxxx   10xx xxxx
	            char2 = str.charCodeAt(i++);
	            out += String.fromCharCode(((c & 0x1F) << 6) | (char2 & 0x3F));
	            break;
	          case 14:
	            // 1110 xxxx  10xx xxxx  10xx xxxx
	            char2 = str.charCodeAt(i++);
	            char3 = str.charCodeAt(i++);
	            out += String.fromCharCode(((c & 0x0F) << 12) |
	                                           ((char2 & 0x3F) << 6) |
	                                           ((char3 & 0x3F) << 0));
	            break;
	        }
	    }

	    return out;
	}

	var base64EncodeChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
	var base64DecodeChars = new Array(
	    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
	    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
	    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, -1, -1, 63,
	    52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -1, -1, -1,
	    -1,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14,
	    15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1,
	    -1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
	    41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, -1, -1, -1, -1, -1);

	function base64encode(str) {
	    var out, i, len;
	    var c1, c2, c3;

	    len = str.length;
	    i = 0;
	    out = "";
	    while(i < len) {
	        c1 = str.charCodeAt(i++) & 0xff;
	        if(i == len)
	        {
	            out += base64EncodeChars.charAt(c1 >> 2);
	            out += base64EncodeChars.charAt((c1 & 0x3) << 4);
	            out += "==";
	            break;
	        }
	        c2 = str.charCodeAt(i++);
	        if(i == len)
	        {
	            out += base64EncodeChars.charAt(c1 >> 2);
	            out += base64EncodeChars.charAt(((c1 & 0x3)<< 4) | ((c2 & 0xF0) >> 4));
	            out += base64EncodeChars.charAt((c2 & 0xF) << 2);
	            out += "=";
	            break;
	        }
	        c3 = str.charCodeAt(i++);
	        out += base64EncodeChars.charAt(c1 >> 2);
	        out += base64EncodeChars.charAt(((c1 & 0x3)<< 4) | ((c2 & 0xF0) >> 4));
	        out += base64EncodeChars.charAt(((c2 & 0xF) << 2) | ((c3 & 0xC0) >>6));
	        out += base64EncodeChars.charAt(c3 & 0x3F);
	    }
	    return out;
	}

	function base64decode(str) {
	    var c1, c2, c3, c4;
	    var i, len, out;

	    len = str.length;
	    i = 0;
	    out = "";
	    while(i < len) {
	        /* c1 */
	        do {
	            c1 = base64DecodeChars[str.charCodeAt(i++) & 0xff];
	        } while(i < len && c1 == -1);
	        if(c1 == -1)
	            break;

	        /* c2 */
	        do {
	            c2 = base64DecodeChars[str.charCodeAt(i++) & 0xff];
	        } while(i < len && c2 == -1);
	        if(c2 == -1)
	            break;

	        out += String.fromCharCode((c1 << 2) | ((c2 & 0x30) >> 4));

	        /* c3 */
	        do {
	            c3 = str.charCodeAt(i++) & 0xff;
	            if(c3 == 61)
	                return out;
	            c3 = base64DecodeChars[c3];
	        } while(i < len && c3 == -1);
	        if(c3 == -1)
	            break;

	        out += String.fromCharCode(((c2 & 0XF) << 4) | ((c3 & 0x3C) >> 2));

	        /* c4 */
	        do {
	            c4 = str.charCodeAt(i++) & 0xff;
	            if(c4 == 61)
	                return out;
	            c4 = base64DecodeChars[c4];
	        } while(i < len && c4 == -1);
	        if(c4 == -1)
	            break;
	        out += String.fromCharCode(((c3 & 0x03) << 6) | c4);
	    }
	    return out;
	}
	//js_base64 加密
	function str_encode(str){
	    return base64encode(utf16to8(str));
	}
	//js_base64 解密
	function str_decode(str){
	   return utf8to16(base64decode(str));
	}

/*****************************************************************
   设置相关的字段
*****************************************************************/
function set_value(o){
	var value = $(o).attr("check-value");
	var attr_value = $(o).attr("attr-value");
	if(attr_value == '' ){
		 $(o).attr("attr-value" , value);
		 $(o).addClass("cur");
	}else{
		$(o).attr("attr-value" , '');
		$(o).removeClass();
	}
}
//设置字段 然后写入缓存
function get_field(){
    var v = '' ;
    $(".field_div li").each(function(){
        var value = $(this).attr("attr-value") ;
        if(value != ''){
            v+=value+',';
        }
    });
    v = v.substring(0 , v.length - 1 );
    return v ;
}
function write_cache(show_field , url ){
    $.ajax({
        type: "POST",
        url: url ,
        data: {show_field:show_field},
        cache:false,
        dataType:"json",
        async:false,
        success: function(msg){
            layer.close(lodding);
        },
        beforeSend:function(){
             lodding = layer.load('正在设置字段。。。。。。'); 
        },
        error:function(){
            layer.msg('服务器繁忙请稍后');
            return false ;
        }
        });
}
	
	
/*****************************************************************
                  jQuery Ajax封装通用类  (speakphp.com)       
*****************************************************************/
$(function(){
    /**
     * ajax封装
     * url 发送请求的地址
     * data 发送到服务器的数据，数组存储，如：{"date": new Date().getTime(), "state": 1}
     * async 默认值: true。默认设置下，所有请求均为异步请求。如果需要发送同步请求，请将此选项设置为 false。
     *       注意，同步请求将锁住浏览器，用户其它操作必须等待请求完成才可以执行。
     * type 请求方式("POST" 或 "GET")， 默认为 "GET"
     * dataType 预期服务器返回的数据类型，常用的如：xml、html、json、text
     * successfn 成功回调函数
     * errorfn 失败回调函数
     * beforefn 请求调用的方法
     */
    jQuery.ax=function(url, data, async, type, dataType, successfn, errorfn,beforefn) {
        async = (async==null || async=="" || typeof(async)=="undefined")? "true" : async;
        type = (type==null || type=="" || typeof(type)=="undefined")? "post" : type;
        dataType = (dataType==null || dataType=="" || typeof(dataType)=="undefined")? "json" : dataType;
        data = (data==null || data=="" || typeof(data)=="undefined")? {"date": new Date().getTime()} : data;
        $.ajax({
            type: type,
            async: async,
            data: data,
            url: url,
            dataType: dataType,
            success: function(d){
                successfn(d);
            },
            error: function(e){
                errorfn(e);
            },
            beforeSend:function(f){
				beforefn(f);
			},
        });
    };
});	
 